visible radiation

[ˈvɪzəbəl ˌreɪdiˈeɪʃən]
noun
radiação visível
1. electromagnetic radiation that can be detected by the human eye, with wavelengths approximately between 380 and 700 nanometers, perceived as light
Visible radiation is the only part of the electromagnetic spectrum that our eyes can directly perceive.
A radiação visível é a única parte do espectro eletromagnético que nossos olhos podem perceber diretamente.
2. the range of electromagnetic waves that produces the sensation of light, including colors from violet to red
The prism separated the visible radiation into its component colors.
O prisma separou a radiação visível em suas cores componentes.
This is a technical term primarily used in physics, optics, and related scientific fields in both English and Portuguese-speaking countries. In Brazil, it is commonly encountered in university physics courses and scientific publications. The term is more formal than the everyday term 'luz' (light) and is rarely used in casual conversation.
Synonyms / Sinônimos
visible lightlightelectromagnetic radiation in the visible spectrum
Antonyms / Antônimos
invisible radiationinfrared radiationultraviolet radiationradio waves

Regional Variations

General Brazilian
radiação visível
Standard scientific term used in educational and technical contexts
Portugal
radiação visível
Identical usage; standard term in Portuguese physics terminology
General USA
visible radiation
Common in scientific literature; often simply called 'visible light' in everyday usage

Related Words

electromagnetic spectrumwavelengthphotoninfraredultravioletoptical radiation

Related Idioms & Phrases

in the visible spectrum
within the range of visible radiation
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